John Daniel Sumner ( J.D.)1924-1998 Listed in Guiness Book of Records as having the LOWEST bass voice. Hall of Fame-1997. Joined The Sunshine Boys in 1949. Sang with The Harmoneers, Blackwoods, The Stamps touring with Elvis and The Masters V for 50 years. Earned title of most innovative man in ALL of music. He founded the National Quartet Convention in 1957, introduced the tour bus in 1955, and composed over 700 songs. One of his most well known songs is " The Old Country Church"